Explore the vast jungles, waterfalls and mangroves of Iriomote Island (Iriomote-jima) on this full-day adventure from Ishigaki. Cruise along the Urauchi River — Okinawa's longest river — and hike to Maryudo Falls and Kanpire Falls, followed by an easy 2-hour kayak tour highlighting the regional flora and fauna. Lunch and round-trip ferry transport from Ishigaki are included. Numbers are limited to 10 people to ensure quality attention from an experienced guide.